Merge pull request #1477 from AlgorithmWithGod/ksinji

[20251122] BOJ / G5 / 별 찍기 - 10 / 강신지

Author: ShinHeeEul

ksinji/202511/22 BOJ 별 찍기 - 10.md

@@ -0,0 +1,59 @@
+```java
+import java.util.*;
+import java.io.*;
+
+public class Main
+{
+    static char[][] star;
+    
+	public static void main(String[] args) throws Exception{
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		StringBuilder sb = new StringBuilder();
+		int n = Integer.parseInt(br.readLine());
+		
+		star = new char[n][n];
+		draw(0, 0, n, false);
+		
+		for (int i=0; i<n; i++){
+		    for (int j=0; j<n; j++){
+		        sb.append(star[i][j]);
+		    }
+		    sb.append('\n');
+		}
+		
+		System.out.print(sb);
+	}
+	
+	static void draw(int x, int y, int n, boolean blank){
+	    if (blank){
+	        // 비워야 하는 부분일 경우 한 패턴에 대해 완전 비워야 함
+	        for (int i=x; i<x+n; i++){
+	            for (int j=y; j<y+n; j++){
+	                star[i][j] = ' ';
+	            }
+	        }
+	        return;
+	    }
+	    
+	    if (n == 1){
+	        star[x][y] = '*';
+	        return;
+	    }
+	    
+	    int pattern = n/3;
+	    int count = 0;
+	    
+	    for (int i=x; i<x+n; i+=pattern){
+	        for (int j=y; j<y+n; j+=pattern){
+	            count++;
+	            if (count == 5){
+	                draw(i, j, pattern, true);
+	            } else {
+	                draw(i, j, pattern, false);
+	            }
+	        }
+	    }
+	}
+}
+
+```